更新example注释说明

Author: zhanq

example/android/app/src/main/java/com/example/MainApplication.java

@@ -22,6 +22,8 @@ public boolean getUseDeveloperSupport() {
     protected List<ReactPackage> getPackages() {
       @SuppressWarnings("UnnecessaryLocalVariable")
       List<ReactPackage> packages = new PackageList(this).getPackages();
+      //RN0.60以下需要打开，注意导包JVerificationPackage
+      //packages.add(new JVerificationPackage());
       return packages;
     }